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对天山西部地区4个代表站14~25年的E-601型蒸发器与20cm口径蒸发皿观测资料进行对比,得出了不同区域两种蒸发器(皿)水面蒸发量按通常的算术平均法直接计算的折算系数。并通过相关分析,提出了用一元线性回归数学模型估算折算系数的方法。旨在为充分利用现有长系列20cm口径蒸发皿资料,合理计算区域总蒸发量和开展水资源评价提供科学依据。
The data of evapotranspiration of E-601 evaporator and 20cm caliber pan from 14 representative stations to 4 representative stations of western Tianshan in the western region were compared. It was found that the evaporation of two evaporators in different areas was normal arithmetic average Direct calculation of the conversion factor. Through the correlation analysis, a method of estimating the conversion coefficient by using the linear regression mathematical model is proposed. The purpose is to provide a scientific basis for making full use of the existing long series of 20 cm diameter pan, reasonable calculation of total area evaporation and water resources evaluation.